Gaofen-2 is a follow-on mission of the Gaofen-1technology demonstration mission, a series of high-resolution optical Earth observation satellites of CNSA (China National Space Administration), Beijing, China. GF-2 is part of the CHEOS (China High Resolution Earth Observation System) family. The mission goal of GF-2 to implement sub-meter level, high geographical accuracy Earth surface imaging, promoting application of CHEOS satellites and its social and economic benefits, meanwhile to make breakthrough in key technologies like fast roll and high stable attitude control, long focal length large f-number, lightweight camera design and long life bus design, enhancing China's civilian imaging satellite abilities and reliability.
Instrument: PMC-2 (PAN and Multispectral Camera Suite-2) - 2 barrel-mounted panchromatic cameras - 2 MS (Multispectral) cameras - swath width: 23km for each camera / combined swath width: 45.3km
Providing high accuracy geographical mapping, land and resource surveying, environment change monitoring, near realtime observation for disaster prevention and mitigation, as well as agriculture and forest estimation
